Question

Which of the following masses is the smallest?

a.0.006 kilograms

b.500 milligrams

c.40 grams

d.4.2 decigrams

Answer 1

This problem is all about S.I. unit prefixes. The easiest way to do this problem would be to convert all four measurements to the same unit. Once converted, whichever is the smallest will be your answer!

Answer 2

i think its c

Answer 3

Did you try and convert them all to the same unit? If we were to convert all of the measurements to grams, they would be listed as follows:

6 grams
0.5 grams
40 grams
0.42 grams

Does that make sense?

Answer 4

0.5

Answer 5

Which is bigger: 0.5 or 0.42?

Answer 6

it should be 0.5

Answer 7

Exactly, so 0.42 grams, or 4.2 decigrams would be the smallest.

Answer 8

0.42

Answer 9

Exactly

Answer 10

thank you